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RGB to hex and hex to RGB
...ar arrBuff = new ArrayBuffer(4);
var vw = new DataView(arrBuff);
vw.setUint32(0,parseInt(hex, 16),false);
var arrByte = new Uint8Array(arrBuff);
return arrByte[1] + "," + arrByte[2] + "," + arrByte[3];
}
Edit: 8/11/2017
The new approach above after more testing is not faster :(. Though it...
Using numpy to build an array of all combinations of two arrays
...and I get error: ValueError: maximum supported dimension for an ndarray is 32, found 69
– mikkom
Oct 20 '19 at 6:54
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What is the difference between t.belongs_to and t.references in rails?
...stamuffinista
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...
Macro vs Function in C
...
Isn't that, in context of low-level MCU (AVRs, i.e. ATMega32) computing, Macros are better choice, as they do not grow call stack, like function calls do?
– hardyVeles
Aug 29 '19 at 22:22
...
Detect iPad users using jQuery?
...zilla/5.0 (iPhone; U; CPU iPhone OS 4_1 like Mac OS X; en-us) AppleWebKit/532.9 (KHTML, like Gecko) Mobile/8B117
# Facebook UIWebView
iPad: Mozilla/5.0 (iPad; U; CPU iPhone OS 5_1_1 like Mac OS X; en_US) AppleWebKit (KHTML, like Gecko) Mobile [FBAN/FBForIPhone;FBAV/4.1.1;FBBV/4110.0;FBDV/iPad2,1;FB...
How do I iterate through each element in an n-dimensional matrix in MATLAB?
...es indeed correctly allow 64-bit subscripts. For example: x = ones(1,2^33,'uint8'); x(2^33) works as expected.
– Edric
Nov 19 '12 at 9:38
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Why is `std::move` named `std::move`?
...
template <class T>
void
swap(T& a, T& b)
{
T tmp(static_cast<T&&>(a));
a = static_cast<T&&>(b);
b = static_cast<T&&>(tmp);
}
One has to recall that at this point in history, the only thing that "&&" could possibly mean w...
Replace all non Alpha Numeric characters, New Lines, and multiple White Space with one Space
... sized strings.
So basically i used jsPerf on
Testing in Chrome 65.0.3325 / Windows 10 0.0.0
Testing in Edge 16.16299.0 / Windows 10 0.0.0
The regex patterns i tested were
/[\W_]+/g
/[^a-z0-9]+/gi
/[^a-zA-Z0-9]+/g
I loaded them up with a string length of random characters
length 5000
l...
Add custom messages in assert?
...ert wrapper.
– zneak
Jul 4 '13 at 4:32
1
Bad code! I don't understand this! If a==b is false, the...
Check if a class has a member function of a given signature
...compile-time. Example from my code (tests if class has member function size_t used_memory() const).
template<typename T>
struct HasUsedMemoryMethod
{
template<typename U, size_t (U::*)() const> struct SFINAE {};
template<typename U> static char Test(SFINAE<U, &U::us...